<?php

class CategoryController extends AdminController {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column2';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
            'postOnly + delete', // we only allow deletion via POST request
        );
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Category;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);
        $uploaded = false;
        $dir = Yii::getPathOfAlias('application.uploads.images');
        if (isset($_POST['Category'])) {
            $model->attributes = $_POST['Category'];
            $model->imagefile = CUploadedFile::getInstance($model, 'imagefile');
            
            if (isset($model->imagefile) && $model->validate(array('imagefile'))) {
                $filename = $model->imagefile->getName();
                //convert string to lowercase
                $filename = trim($filename, '-');
                //trim whitespaces
                $uploaded = $model->imagefile->saveAs($dir . '/' . $filename);
                $model->image = $filename;
                //Load image to resize
                $image = new SimpleImage();
                $image->load($dir . '/' . $filename);
                $image->resizeToWidth(330);
                $image->save($dir . '/' . $filename);
            }
            if ($model->save())
                $this->redirect(array('index'));
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = UpdateCategory::model()->findByPk($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);
        $uploaded = false;
        $dir = Yii::getPathOfAlias('application.uploads.images');
        if (isset($_POST['UpdateCategory'])) {
            $model->attributes = $_POST['UpdateCategory'];
            $model->imagefile = CUploadedFile::getInstance($model, 'imagefile');
           
            if (isset($model->imagefile) && $model->validate(array('imagefile'))) {
                $filename = $model->imagefile->getName();
                //convert string to lowercase
                $filename = trim($filename, '-');
                //trim whitespaces
                $uploaded = $model->imagefile->saveAs($dir . '/' . $filename);
                $model->image = $filename;
                //Load image to resize
                $image = new SimpleImage();
                $image->load($dir . '/' . $filename);
                $image->resizeToWidth(330);
                $image->save($dir . '/' . $filename);
            }
            if ($model->save())
                $this->redirect(array('index'));
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        $this->loadModel($id)->delete();

        // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
        if (!isset($_GET['ajax']))
            $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $model = new Category('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['Category']))
            $model->attributes = $_GET['Category'];

        $this->render('index', array(
            'model' => $model,
        ));
    }

   
    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer $id the ID of the model to be loaded
     * @return Category the loaded model
     * @throws CHttpException
     */
    public function loadModel($id) {
        $model = Category::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param Category $model the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'category-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

}
